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<?php class Foo implements DateTimeInterface { /** * @inheritDoc */ public function diff($datetime2, $absolute = false) { // TODO: Implement diff() method. } /** * @inheritDoc */ public function format($format) { // TODO: Implement format() method. } /** * @inheritDoc */ public function getOffset() { // TODO: Implement getOffset() method. } /** * @inheritDoc */ public function getTimestamp() { // TODO: Implement getTimestamp() method. } /** * @inheritDoc */ public function getTimezone() { // TODO: Implement getTimezone() method. } /** * @inheritDoc */ public function __wakeup() { // TODO: Implement __wakeup() method. } }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of Foo::format($format) should either be compatible with DateTimeInterface::format(string $format): string, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/468RB on line 17 Deprecated: Return type of Foo::getTimezone() should either be compatible with DateTimeInterface::getTimezone(): DateTimeZone|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/468RB on line 41 Deprecated: Return type of Foo::getOffset() should either be compatible with DateTimeInterface::getOffset(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/468RB on line 25 Deprecated: Return type of Foo::getTimestamp() should either be compatible with DateTimeInterface::getTimestamp(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/468RB on line 33 Deprecated: Return type of Foo::diff($datetime2, $absolute = false) should either be compatible with DateTimeInterface::diff(DateTimeInterface $targetObject, bool $absolute = false): DateInterval, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/468RB on line 9 Deprecated: Return type of Foo::__wakeup() should either be compatible with DateTimeInterface::__wakeup(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/468RB on line 49 Fatal error: DateTimeInterface can't be implemented by user classes in /in/468RB on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: DateTimeInterface can't be implemented by user classes in /in/468RB on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: DateTimeInterface can't be implemented by user classes in /in/468RB on line 4
Process exited with code 255.

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